package servers import ( "database/sql" "github.com/MrMelon54/mjwt" "github.com/MrMelon54/mjwt/auth" vUtils "github.com/MrMelon54/violet/utils" "github.com/julienschmidt/httprouter" "net/http" ) type AuthClaims mjwt.BaseTypeClaims[auth.AccessTokenClaims] type AuthCallback func(rw http.ResponseWriter, req *http.Request, params httprouter.Params, b AuthClaims) type CertAuthCallback func(rw http.ResponseWriter, req *http.Request, params httprouter.Params, b AuthClaims, certId uint64) // checkAuth validates the bearer token against a mjwt.Verifier and returns an // error message or continues to the next handler func checkAuth(verify mjwt.Verifier, cb AuthCallback) httprouter.Handle { return func(rw http.ResponseWriter, req *http.Request, params httprouter.Params) { // Get bearer token bearer := vUtils.GetBearer(req) if bearer == "" { apiError(rw, http.StatusForbidden, "Missing bearer token") return } // Read claims from mjwt _, b, err := mjwt.ExtractClaims[auth.AccessTokenClaims](verify, bearer) if err != nil { apiError(rw, http.StatusForbidden, "Invalid token") return } cb(rw, req, params, AuthClaims(b)) } } // checkAuthWithPerm validates the bearer token and checks if it contains a // required permission and returns an error message or continues to the next // handler func checkAuthWithPerm(verify mjwt.Verifier, perm string, cb AuthCallback) httprouter.Handle { return checkAuth(verify, func(rw http.ResponseWriter, req *http.Request, params httprouter.Params, b AuthClaims) { // check perms if !b.Claims.Perms.Has(perm) { apiError(rw, http.StatusForbidden, "No permission") return } cb(rw, req, params, b) }) } // checkAuthForCertificate func checkAuthForCertificate(verify mjwt.Verifier, perm string, db *sql.DB, cb CertAuthCallback) httprouter.Handle { return checkAuthWithPerm(verify, perm, func(rw http.ResponseWriter, req *http.Request, params httprouter.Params, b AuthClaims) { // lookup certificate owner id, err := checkCertOwner(db, "", b) if err != nil { apiError(rw, http.StatusInsufficientStorage, "Database error") return } cb(rw, req, params, b, id) }) }